feat: add P2P Transfers feature

Author: Tess Stoddard

common/src/main/java/com/mx/path/core/common/request/Feature.java

@@ -50,6 +50,10 @@ public enum Feature {
    * Originations.
    */
   ORIGINATIONS("originations"),
+  /**
+   * P2P Transfers.
+   */
+  P2P_TRANSFERS("p2p_transfers"),
   /**
    * Payments.
    */

http/src/test/groovy/com/mx/path/api/connect/http/HttpAccessorConnectionTest.groovy

@@ -84,6 +84,7 @@ class HttpAccessorConnectionTest extends Specification {
     Feature.LOCATION  | "location"
     Feature.MANAGED_CARDS  | "managed_cards"
     Feature.ORIGINATIONS  | "originations"
+    Feature.P2P_TRANSFERS  | "p2p_transfers"
     Feature.PAYMENTS  | "payments"
     Feature.PAYOUTS  | "payouts"
     Feature.PRODUCTS  | "products"